1 files changed, 21 insertions, 18 deletions
diff --git a/src/paths.zig b/src/paths.zig
index b64ff04..dd3ace2 100644
--- a/src/paths.zig
+++ b/src/paths.zig
@@ -32,8 +32,13 @@ pub fn formatDosPath(allocator: Allocator, path: []const u8) ![]const u8 {
 
         // Convert component to 8.3 format
         const short_name = try convertTo83(allocator, component);
-        defer allocator.free(short_name);
-        try result.appendSlice(short_name);
+        defer allocator.free(short_name.name);
+        defer allocator.free(short_name.ext);
+        try result.appendSlice(short_name.name);
+        if (short_name.ext.len > 0) {
+            try result.append('.');
+            try result.appendSlice(short_name.ext);
+        }
     }
 
     // Ensure it starts with a drive letter if it's an absolute path
@@ -51,15 +56,15 @@ pub fn formatDosPath(allocator: Allocator, path: []const u8) ![]const u8 {
     return allocator.dupe(u8, result.items);
 }
 
-pub fn convertTo83(allocator: Allocator, filename: []const u8) ![]const u8 {
+pub fn convertTo83(allocator: Allocator, filename: []const u8) !struct { name: []const u8, ext: []const u8 } {
     // Handle special directories
     if (std.mem.eql(u8, filename, ".") or std.mem.eql(u8, filename, "..")) {
-        return allocator.dupe(u8, filename);
+        return .{ .name = try allocator.dupe(u8, filename), .ext = try allocator.dupe(u8, "") };
     }
 
     // Handle drive letters (like C:)
     if (filename.len == 2 and filename[1] == ':') {
-        return allocator.dupe(u8, filename);
+        return .{ .name = try allocator.dupe(u8, filename), .ext = try allocator.dupe(u8, "") };
     }
 
     // Split filename and extension
@@ -97,29 +102,27 @@ pub fn convertTo83(allocator: Allocator, filename: []const u8) ![]const u8 {
         }
     }
 
-    // Build 8.3 filename
-    var result = ArrayList(u8).init(allocator);
-    defer result.deinit();
+    var name_result = ArrayList(u8).init(allocator);
+    defer name_result.deinit();
+    var ext_result = ArrayList(u8).init(allocator);
+    defer ext_result.deinit();
 
+    // Build 8.3 filename
     if (clean_name.items.len <= 8 and clean_ext.items.len <= 3) {
         // Name fits in 8.3, use as-is
-        try result.appendSlice(clean_name.items);
-        if (clean_ext.items.len > 0) {
-            try result.append('.');
-            try result.appendSlice(clean_ext.items);
-        }
+        try name_result.appendSlice(clean_name.items);
+        try ext_result.appendSlice(clean_ext.items);
     } else {
         // Need to abbreviate with ~1
         const max_name_len = if (clean_name.items.len > 6) 6 else clean_name.items.len;
-        try result.appendSlice(clean_name.items[0..max_name_len]);
-        try result.appendSlice("~1");
+        try name_result.appendSlice(clean_name.items[0..max_name_len]);
+        try name_result.appendSlice("~1");
 
         if (clean_ext.items.len > 0) {
-            try result.append('.');
             const max_ext_len = if (clean_ext.items.len > 3) 3 else clean_ext.items.len;
-            try result.appendSlice(clean_ext.items[0..max_ext_len]);
+            try ext_result.appendSlice(clean_ext.items[0..max_ext_len]);
         }
     }
 
-    return allocator.dupe(u8, result.items);
+    return .{ .name = try allocator.dupe(u8, name_result.items), .ext = try allocator.dupe(u8, ext_result.items) };
 }